Home / 82,986,428.78-114,531,313.92-47,231,562.78

Finding the Fourth Proportional to 82,986,428.78, 114,531,313.92 and 47,231,562.78

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Solution

The fourth proportional to 82,986,428.78, 114,531,313.92 and 47,231,562.78 is: 65,185,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986,428.78 : 114,531,313.92 = 47,231,562.78 : x
  2. Step 2: Convert to fraction form
    82,986,428.78/114,531,313.92 = 47,231,562.78/x
  3. Step 3: Cross multiply
    82,986,428.78x = 114,531,313.92 × 47,231,562.78
  4. Step 4: Simplify right side
    82,986,428.78x = 5,409,492,943,688,368
  5. Step 5: Solve for x
    x = 5,409,492,943,688,368/82,986,428.78
  6. Step 6: Final answer
    x = 65,185,272.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.